This rugged, comfortable hiking boot will take you anywhere in any weather. Two types of insulation keep you warm, and the outsole is designed to provide grip in slippery conditions.KEEN.DRYA waterproof, breathable membrane that wicks moisture from the inside without letting water in from the outside.KEEN.WARMEA lightweight insulation made from hollow polyester fibers and would be memory bamboo charcoal that is highly insulating, antimicrobial, and offers a great warmth-to-weight ratio.Thermal Heat Shield FootbedWooly softness on the outside, supportive padding in the middle, and a layer of thermal film on the inside that harnesses radiant heat. It keeps the cold out and the heat in.ECO Odor ControlInsoles are infused with probiotic technology that naturally breaks down sweat odor without heavy metals or dangerous chemicals. - Size information: size runs true to size - Fit: regular fit - Details: - Metal eyelets for added durability - Thermal Heat Shield insole traps heat - Stability shank provides lightweight support - KEEN.WARM 200g insulation made from recycled PET, to -25°F/-32°C - Rear notch for Achilles comfort - Eco Anti-Odor for natural odor control - Surface coating: yes Outdoor Shoe - Use: Hiking - Construction: Mid Cut Material Shoe - Sole type: Rubber - Outsole: fiberglass reinforced KEEN.POLAR sole with 5 mm multidirectional tread - Type membrane: KEEN.dry - Midsole: compression-molded EVA midsole - Waterproof - Type upper: leather - Type lining: textile Equipment shoe - Features: Pull-on aid - Crampon suitability: not crampon resistant - Footbed/insole: removable insole - Type closure system: lacing.